<template>
  <view class="viewport">
    <!-- 搜索框 -->
    <view class="search">
      <view class="input">
        <text class="icon-search">女靴</text>
      </view>
    </view>
    <!-- 分类 -->
    <view class="categories">
      <!-- 分类左侧 -->
      <scroll-view class="primary" scroll-y>
        <view
          class="item"
          v-for="(item, index) in topList"
          :key="index.id"
          :class="{ active: index === activeIndex }"
          @click="activeIndex = index"
          >{{ item.name }}
        </view>
        <!-- <view class="item">美食</view>
        <view class="item">服饰</view>
        <view class="item">母婴</view>
        <view class="item">个护</view> -->
      </scroll-view>

      <!-- 分类右侧 -->
      <scroll-view class="secondary" scroll-y>
        <!-- 轮播图 -->
        <Carousel class="banner" height="200rpx" :banners="banners" />

        <view class="panel" v-for="item in subList" :key="item.id">
          <view class="title">
            {{ item.name }}
            <navigator
              class="more"
              hover-class="none"
              url="/pages/goods/list/index"
              >全部</navigator
            >
          </view>
          <view class="section">
            <navigator
              v-for="goods in item.goods"
              :key="goods.id"
              hover-class="none"
              :url="`/pages/goods/index?id=${goods.id}`"
            >
              <image :src="goods.picture" />
              <view class="name ellipsis">{{ goods.name }}</view>
              <view class="price">
                <text class="symbol">¥</text>
                <text class="number">{{ goods.price }}</text>
              </view>
            </navigator>
            <navigator
              hover-class="none"
              url="`/pages/goods/index?id=${goods.id}`"
            >
              <image
                src="http://yjy-xiaotuxian-dev.oss-cn-beijing.aliyuncs.com/picture/2021-04-05/6fdcac19-dd44-442c-9212-f7ec3cf3ed18.jpg"
              />
              <view class="name ellipsis">钻石陶瓷涂层多用锅18cm 小奶锅</view>
              <view class="price">
                <text class="symbol">¥</text>
                <text class="number">xxx.00</text>
              </view>
            </navigator>
          </view>
        </view>
      </scroll-view>
    </view>
  </view>
</template>

<script>
import { getCategoriesAPI } from "@/api/category";
import { getBannersAPI } from "@/api/home";
export default {
  data() {
    return {
      topList: [],
      activeIndex: 0,
      banners: [],
    };
  },
  methods: {
    async getCategoriesAPI() {
      const { result } = await getCategoriesAPI();
      this.topList = result;
    },
    async getBannersAPI() {
      const { result } = await getBannersAPI(2);
      this.banners = result;
    },
  },
  onLoad() {
    this.getCategoriesAPI();
    this.getBannersAPI();
  },
  computed: {
    subList() {
      if (!this.topList.length) return [];
      return this.topList[this.activeIndex].children;
    },
  },
};
</script>

<style lang="scss">
page {
  height: 100%;
  overflow: hidden;
}
.viewport {
  height: 100%;
  display: flex;
  flex-direction: column;
}
.search {
  padding: 0 30rpx 20rpx;
  background-color: #fff;
  .input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64rpx;
    padding-left: 26rpx;
    color: #8b8b8b;
    font-size: 28rpx;
    border-radius: 32rpx;
    background-color: #f3f4f4;
  }
}
.icon-search {
  &::before {
    margin-right: 10rpx;
  }
}
/* 分类 */
.categories {
  flex: 1;
  min-height: 400rpx;
  display: flex;
}
/* 主分类 */
.primary {
  overflow: hidden;
  width: 180rpx;
  flex: none;
  background-color: #f6f6f6;
  .item {
    height: 96rpx;
    text-align: center;
    line-height: 96rpx;
    font-size: 26rpx;
    color: #595c63;
    position: relative;
    &::after {
      position: absolute;
      left: 42rpx;
      bottom: 0;
      content: "";
      width: 96rpx;
      border-top: 1rpx solid #e3e4e7;
    }
  }
  .active {
    background-color: #fff;
    &::before {
      position: absolute;
      left: 0;
      top: 0;
      content: "";
      width: 8rpx;
      height: 100%;
      background-color: #27ba9b;
    }
  }
}
.primary .item:last-child::after,
.primary .active::after {
  display: none;
}
/* 次分类 */
.secondary {
  background-color: #fff;
  .banner {
    height: 200rpx;
    margin: 30rpx;
    border-radius: 4rpx;
    overflow: hidden;
  }
  .panel {
    margin: 0 30rpx 0rpx;
  }
  .title {
    height: 60rpx;
    line-height: 60rpx;
    color: #333;
    font-size: 28rpx;
    border-bottom: 1rpx solid #f7f7f8;
    .more {
      float: right;
      padding-left: 20rpx;
      font-size: 24rpx;
      color: #999;
    }
  }
  .more {
    &::after {
      font-family: "erabbit" !important;
      content: "\e6c2";
    }
  }
  .section {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding: 20rpx 0;
    navigator {
      width: 150rpx;
      margin: 0rpx 30rpx 20rpx 0;
      &:nth-child(3n) {
        margin-right: 0;
      }
    }
  }
  navigator {
    image {
      width: 126rpx;
      height: 126rpx;
    }
    .name {
      font-size: 26rpx;
      color: #333;
    }
    .price {
      font-size: 18rpx;
      color: #cf4444;
    }
    .number {
      font-size: 24rpx;
      margin-left: 2rpx;
    }
  }
}
</style>
